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Rim finish and weave in Amoy Wheels

2025-04-21

As a carbon rims manufacturer, personalizing your carbon wheels with our diverse range of finishes and rim weaves at Amoy Wheels is very exercisable.This guide will explore our full lineup of finishes and weaves, so you can make the best choice for your dream wheels.

Rim Weaves 

The carbon rim surface weaves generally have three categories of carbon fiber weaves: UD, 3K, and 12K.

rim finish

UD (Uni-Directional) which means that all of the rim’s surface fibers run parallel to each other. 

Appearance: Smooth, no visible weave (fibers run parallel).

Use: Main structural layers (optimized for load paths).

Pros:

Lightest option (no excess crossover threads).

Tunable stiffness (fibers follow stress lines).

Cons:

Requires careful layup (weak if fibers are misaligned).


carbon rim



3K weave means there are 3000 filaments per carbon fiber tow.

Appearance: Classic "carbon look" (visible grid).

Use: Outer layers for aesthetics + moderate strength.

Pros: Good balance of stiffness and weight.

Cons: Slightly heavier than UD.

carbon fiber

12K weave means there are 12000 filaments per carbon fiber tow.

Appearance: Large, bold checkerboard.

Use: Structural layers for MTB/gravel rims.

Pros: High impact resistance.

Cons: Heavier, less aerodynamic.

rim finish

Rim Finish

Carbon rim finish guide will introduce the finish types,pros,cons and performance impact.

The finish on a carbon rim affects aerodynamics, braking performance, durability, and aesthetics. Here’s a breakdown of common rim finishes and how they impact your ride:

The common carbon rim finishes have glossy,matte and textured/Braking Surface (Rim-Brake Only).

carbon rim

A. Gloss Coat

Appearance: Shiny, glossy look.

Pros:

Classic high-end appearance.

Slightly better UV protection.

Cons:

Shows scratches easily.

Minor aero penalty (slightly rougher surface).


B. Matte/UHP (Ultra-High-Pressure) Finish

Appearance: Smooth, non-reflective satin.

Pros:

More aerodynamic (reduced drag).

Hides scratches better.

Cons:

Less UV-resistant (can fade over time).


C. Textured/Braking Surface (Rim-Brake Only)

Appearance: Rougher, laser-etched or ceramic-coated.

Pros:

Improves wet-weather braking.

Reduces heat buildup.

Cons:

Slightly heavier.


D. Painted/Decal Finish

Appearance: Color-matched to bike (e.g., black, stealth).

Pros:

Custom look.

Extra layer protects against chips.

Cons:

Adds weight (5–20g per rim).

Paint can peel under hard braking.


E. Raw Carbon (Unfinished)

Appearance: Exposed fiber weave (no clear coat).

Pros:

Lightest option.

"Pro team" minimalist look.

Cons:

Vulnerable to UV damage.

Requires frequent cleaning (absorces grime).

Found on: Some lightweight race wheels.

If you have any questions please contact us via (sales@amoywheels.com).